381241589 has 2 divisors, whose sum is σ = 381241590. Its totient is φ = 381241588.

The previous prime is 381241577. The next prime is 381241603. The reversal of 381241589 is 985142183.

381241589 = 11272² + 11273² + 11274².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337456900 + 43784689 = 18370^2 + 6617^2 .

It is a cyclic number.

It is not a de Polignac number, because 381241589 - 2⁴ = 381241573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381241559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190620794 + 190620795.

It is an arithmetic number, because the mean of its divisors is an integer number (190620795).

Almost surely, 2^381241589 is an apocalyptic number.

It is an amenable number.

381241589 is a deficient number, since it is larger than the sum of its proper divisors (1).

381241589 is an equidigital number, since it uses as much as digits as its factorization.

381241589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 41.

The square root of 381241589 is about 19525.4088049393. The cubic root of 381241589 is about 725.1036484394.

The spelling of 381241589 in words is "three hundred eighty-one million, two hundred forty-one thousand, five hundred eighty-nine".